Proteus was a sea god who possessed the power to change his form at will. He was often depicted as a mischievous and elusive figure, capable of assuming the shape of various animals and objects.

Robert Louis Stevenson's novella, The Strange Case of Dr. Jekyll and Mr. Hyde, tells the story of Dr. Jekyll, a respected doctor who creates a potion that allows him to transform into his evil alter ego, Mr. Hyde.

Abraham Van Helsing is the Dutch doctor and vampire hunter who leads the group of men determined to stop Count Dracula and save Mina Harker from his clutches.

The Pod People are a race of aliens who invade Earth and replace humans with emotionless duplicates grown from plant-like pods.

Gregor Samsa, the protagonist of The Metamorphosis, wakes up one morning to find himself transformed into a giant cockroach.

John Carpenter's The Thing follows a group of American researchers in Antarctica who encounter a shapeshifting alien that can perfectly imitate other living organisms.

Skinwalkers are Navajo legends of shapeshifters who have the ability to transform into animals, often coyotes or wolves.

Stephen King's The Shining tells the story of a family who moves into the Overlook Hotel, a secluded resort with a dark history, and becomes haunted by a malevolent shapeshifting entity.

The Ring is a Japanese horror film about a cursed videotape that causes anyone who watches it to die within seven days unless they can pass the curse on to someone else.

Anne Rice's Interview with the Vampire tells the story of Louis de Pointe du Lac, a vampire who recounts his life to a young journalist, exploring themes of immortality, love, and loss.

Centaurs are mythical creatures that are half-human and half-horse, often depicted as wild and untamed.

28 Days Later is a British horror film about a virus that turns people into aggressive and bloodthirsty creatures.

Dr. Moreau conducts experiments on animals, transforming them into human-like creatures in an attempt to create a new race of beings.

The Faculty is a 1998 science fiction horror film about a group of high school students who discover that their teachers have been replaced by alien shapeshifters.

The Minotaur is a mythical creature with the head and upper body of a bull and the lower body of a human.